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59 lines
1.9 KiB
HTML
59 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<link rel="match" href="parse-input-arguments-018-ref.html">
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<style>
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.container {
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width: 100px;
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height: 100px;
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}
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#canvas-geometry {
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border:1px solid black;
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background-image: paint(geometry);
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}
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</style>
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<script src="/common/reftest-wait.js"></script>
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<script src="/common/css-paint-tests.js"></script>
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<body>
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<p>The test result should show only one black rect border. It should not paint
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any content in the rect because registerPaint will be called twice and the
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inputArguments will return two different strings, that will throw an exception
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and paint won't be executed.</p>
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<div id="canvas-geometry" class="container"></div>
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<script id="code" type="text/worklet">
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function generateRandString(length) {
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var text = "";
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var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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for (var i = 0; i < length; i++)
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text += possible.charAt(Math.floor(Math.random() * possible.length));
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return text;
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}
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try {
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registerPaint('geometry', class {
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static get inputArguments() {
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// This test is testing the case where an exception should be thrown
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// when two paint definitions with different properties are registered
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// to the same paint worklet. In order to do that, we randomly generate
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// the input properties here. We make the string length 100 to make sure
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// that it is veryyyyyyyyyyyy unlikely that two strings will be the same
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// when running this test.
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var current_str = generateRandString(100);
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return [current_str];
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}
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paint(ctx, geom) {
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ctx.strokeStyle = 'red';
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ctx.lineWidth = 4;
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ctx.strokeRect(0, 0, geom.width, geom.height);
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}
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});
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} catch(ex) {
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}
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</script>
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<script>
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importPaintWorkletAndTerminateTestAfterAsyncPaint(document.getElementById('code').textContent);
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</script>
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</body>
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</html>
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